The forum exposes the current government's inability to promote cross-Strait economic and trade relations.
I don't think Ma can please everyone in Taiwan ... but probably some middle-level voters will feel more comfortable with his predictable and pragmatic stance.
In the short term China is not a threat to the U.S.. China is building up militarily, but its policies focus on non-military confrontation. At present, China isn't even a threat to Japan.
Chen is using the tactic of violating the 'five noes' with the argument that the situation has changed.